{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000641},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000643","491:4910000766","491:4910000644","492:4920006895","491:4910000305","491:4910000486","492:4920006698","491:4910000485","491:4910000434","492:4920006631","491:4910000433","491:4910000437","491:4910000483","492:4920006732","491:4910000707","491:4910000536","491:4910000306","491:4910000586","492:4920006733","492:4920006800","491:4910000341","492:4920006731","491:4910000762","492:4920006764","491:4910000702"],"twin_admin_codes":[491,491,491,492,491,491,492,491,491,492,491,491,491,492,491,491,491,491,492,492,491,492,491,492,491],"twin_sims":[0.4758436463772303,0.36039287568865425,0.276292309100908,0.26626472736766266,0.2541236727936803,0.24856812528892236,0.24658726430346645,0.19444469387851157,0.1942793201853031,0.1925351527405208,0.1784834475902579,0.16144370167336422,0.14779820783389153,0.13368551928773992,0.12829672143143742,0.12780635498605422,0.12654472249697243,0.11717964340001846,0.10632806451566024,0.10627573297620198,0.0991485694683177,0.09541705519389561,0.0898996871725694,0.08852112936993993,0.07953195478866928],"twin_dists":[0.1582834840298672,0.18554883253169185,0.2083095993986861,0.21128182212426008,0.2149753687577601,0.21670275870513708,0.21732463692297205,0.2350410692618418,0.23510212164397742,0.23574824163442545,0.2411094173895867,0.24802958811198023,0.25396406542500255,0.2605442195682667,0.26319439358041136,0.2634396978990269,0.26407411764196653,0.268940374679503,0.2749676940105185,0.27499789107120926,0.27922325230978023,0.2815311007292347,0.2850773584633095,0.2859902270746405,0.2922375901273855],"n_dims_used":45,"mean_confidence":0.8989407009548611},"coverage":{"mean_confidence":0.8989407009548611,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}